If something like "Budclicks" can be marketed to tart up earbuds, then certainly a similar concept can be valid for mobile headsets. That seems to be the working assumption held by Sony Ericsson, which is offering swappable fashion face plates for its
HBH-PV712 Bluetooth headset. Chip Chick says the three colors--red, black, and purple--can be interchanged according to "match the outfit of your choice that day." Given our own shopping habits, we'll have to take their word for it.